<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodList()">
            <el-button slot="append" icon="el-icon-search" @click="getGoodList()"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goodAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table 表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140">
          <template slot-scope="scope">{{scope.row.add_time | dateFormat }}</template>
        </el-table-column>
        <el-table-column label="操作" width="190">
          <template slot-scope="scope">
            <el-button type="primary" size="mini" icon="el-icon-edit">编辑</el-button>
            <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background>
      </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return{
      // 查询参数对象
      queryInfo:{
        query:'',
        pagenum:1,
        pagesize:10
      },
      // 商品列表
      goodslist:[],
      // 总条数
      total:0
    }
  },
  created() {
    // 页面一刷新 获取数据
    this.getGoodList();
  },
  methods:{
    // 根据分页获取数据
    async getGoodList() {
      const {data:res} = await this.$http.get('goods',{params:this.queryInfo});
      if(res.meta.status!==200) {
        return this.$message.error('获取列商品表失败!')
      }
        this.$message.success('获取商品列表成功');
        this.goodslist=res.data.goods;
        this.total=res.data.total
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize=newSize;
      this.getGoodList();
    },
    handleCurrentChange(newpage) {
      this.queryInfo.pagenum=newpage;
      this.getGoodList();
    },
    async removeById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err=>err);
      if(confirmResult!=="confirm") {
        return this.$message.info('已取消删除!')
      }
      const {data:res} = await this.$http.delete(`goods/${id}`)
      if(res.meta.status!==200) {
        return this.$message.error('删除商品失败!')
      }
        this.$message.success('删除成功');
        this.getGoodList();
    },
    goodAddPage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>
<style lang="less" scoped>

</style>